Home / 669,972.87-1,004,743.32-220,586.73

Finding the Fourth Proportional to 669,972.87, 1,004,743.32 and 220,586.73

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Solution

The fourth proportional to 669,972.87, 1,004,743.32 and 220,586.73 is: 330,808.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,972.87 : 1,004,743.32 = 220,586.73 : x
  2. Step 2: Convert to fraction form
    669,972.87/1,004,743.32 = 220,586.73/x
  3. Step 3: Cross multiply
    669,972.87x = 1,004,743.32 × 220,586.73
  4. Step 4: Simplify right side
    669,972.87x = 221,633,043,448.14
  5. Step 5: Solve for x
    x = 221,633,043,448.14/669,972.87
  6. Step 6: Final answer
    x = 330,808.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.